Segerstrom, Kenneth  1909- <br/><br/>
Geology of South-central Hidalgo and Northeastern México, Mexico / 
by Kenneth Segerstrom. 
 -- Washington :   United States Government Printing Office,   1962 
 - P. 87-162 + map. -- 
 (Geological Survey Bulletin  ;  1104-C).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Hidalgo (México)<br/>Volcanes
<br/><br/><label>Universal Decimal Class. No.: </label>55(724.6)